A scientist needs to store 28.0 moles of xenon gas at STP in the lab. What size gas tank

will he need?

376 L

473 L

628 1

219 L

What is the net ionic equation for this reaction? Na + (aq) + C2H3O2 - (aq) + H + (aq) + Cl - (aq) → Na + (aq) + Cl - (aq) + HC2H3O2 (aq)

What is an organic compound? any compound where there are metals bound to other types of atoms compound grown with organic farming methods any compound isolated from living organisms any molecule that is made mostly of carbon with no metals in it

Which radioisotope has an atom that emits a particle with a mass number of 0 and a charge of + 1? (1) 3H (3) 19Ne (2) 16N (4) 239Pu

Calcium reacts with sulfur forming calcium sulfide. What is the theoretical yield (g) of CaS (s) that could be prepared from 8.54 g of Ca (s) and 2.33 g of sulfur (s) ? Do not type units with your answer.

Contains 63.65% nitrogen and 36.35% oxygen by mass what is the empirical formula for this compound

2C 2 H 6 + 7O 2 * **>4CO 2 + 6H 2 O if 7.0 g of C 2 H 6 react with 18 g of O 2, how many grams of water will be produced

22 days converted into how many seconds?

How do you do percent composition in chemistry?

Which mixture has the largest particle size?

Identify the precipitate (if any) that forms when KOH and Cu (NO3) 2 are mixed